Home / 103,546.20-155,319.30-97,714.20

Finding the Fourth Proportional to 103,546.20, 155,319.30 and 97,714.20

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Solution

The fourth proportional to 103,546.20, 155,319.30 and 97,714.20 is: 146,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,546.20 : 155,319.30 = 97,714.20 : x
  2. Step 2: Convert to fraction form
    103,546.20/155,319.30 = 97,714.20/x
  3. Step 3: Cross multiply
    103,546.20x = 155,319.30 × 97,714.20
  4. Step 4: Simplify right side
    103,546.20x = 15,176,901,144.06
  5. Step 5: Solve for x
    x = 15,176,901,144.06/103,546.20
  6. Step 6: Final answer
    x = 146,571.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.